# True Position vs Thread Calculator

The clearest difference is rating: Thread Calculator at 4.3 against True Position's 3.0. Thread Calculator also leads on update cadence (every 18 months vs every 46 months) and ratings volume (13 vs 4). True Position's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thread Calculator holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews split almost evenly too, at 33% and 33% positive.

True Position ships an update every 46 months, Thread Calculator every 18 months. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | True Position | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/true-position/id685642406/reviews) | **[4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** |
| Number of ratings | 4 | **13** |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 46 months | **Every 18 months** |
| Monetization | **Free** | Ad-supported |
| Size | 24 MB | 25 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Douglas Rudd](https://appshunter.io/developer/674807014) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### True Position

[App page](https://appshunter.io/ios/app/true-position/id685642406)

This app calculates the true position of holes based on engineering drawing dimensions and tolerances. It helps determine if hole positions meet required specifications, with or without Maximum Material Condition. It's a tool for manufacturing quality control.

**Highlights:** Calculate true position of holes, Enter engineering drawing dimensions, Account for specified tolerances, Supports Maximum Material Condition, Checks if hole positions are within tolerance

**Features:** macOS Compatibility

**In-app purchases:** none


### Thread Calculator

[App page](https://appshunter.io/ios/app/thread-calculator/id1559560290)

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

**Highlights:** Thread cutting calculator for multiple units, Cold forming calculator, Thread repair calculator, Tap hole and bolt diameter calculation, Saves time compared to tables

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is True Position free?

True Position is free to download, with no in-app purchases.

### Is Thread Calculator free?

Thread Calculator is free to download, with no in-app purchases.

### Which has better reviews, True Position or Thread Calculator?

Thread Calculator is rated higher. True Position averages 3.0 out of 5 from 4 ratings, while Thread Calculator averages 4.3 from 13 ratings.

### Do True Position or Thread Calculator have ads?

Thread Calculator shows ads; True Position does not.

### Which is updated more often, True Position or Thread Calculator?

True Position ships an update every 46 months, and Thread Calculator every 18 months. Most recently, True Position was updated on June 10, 2026 and Thread Calculator on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*